When Maggie questions what kind of person she is for hooking up with one of the interns, Meredith points out that the father of her children did the same thing! As she tells Maggie about her sexcapades with Derek, it hits her that she hasn't thought about sex since the day he died. She's a "widow," just like characters in books and movies. "You don't think that that happens, but it does! It's just, I'm closed for business. Vagina city is a ghost town. The orgasm train doesn't roll through here any more. That part of my life is over," she says. She tells Maggie she's happy, and she's not looking for anyone or anything else.

No More Sex for Widow Grey|"The orgasm train doesn't roll through here any more."|Meredith realizes she hasn't thought about sex since the day Derek died. It suddenly hits her that she's a "widow," like in books and movies. "You don't think that that happens, but it does! It's just, I'm closed for business. Vagina city is a ghost town. The orgasm train doesn't roll through here any more. That part of my life is over," she tells Maggie. Watch this scene from Season 12, Episode 4, "Old Time Rock and Roll," and don't miss Grey's Anatomy THURSDAYS 8|7c on ABC.

Stephanie Shares Her Painful Past

Amelia decides to try an aggressive approach to speed a patient's recovery after brain surgery. The treatment involves pushing the patient to their physical limit. Stephanie immediately has problems with the treatment, and balks. She leaves Jo to treat Amelia's patient, and Amelia, livid, demands an explanation. Stephanie reveals that as a young child, she was a patient in a very painful sickle cell clinical trial. Even so many years later, she can't stomach inflicting so much pain on another person.

Stephanie's Painful Past|As a child, Stephanie was a patient in a clinical trial.|When a livid Dr. Shepherd demands to know why Stephanie abandoned her patient and refuses to carry out a very aggressive treatment as directed, Edwards becomes emotional. She reveals she went through a very painful clinical trial as a child, and she's struggling with inflicting so much pain on someone else. Watch this scene from Season 12, Episode 4, "Old Time Rock and Roll," and don't miss Grey's Anatomy THURSDAYS 8|7c on ABC.

Meredith Teaches the Interns to Show Compassion

The hospital experiences a "silver flood," an influx of injured senior citizens, after an accident. When an intern, emotional over a patient's sudden death, badly flubs delivering the bad news to the man's son, Owen steps in. He decides it's time to teach the interns how to deliver bad news to patients' families. He tells them step by step how to inform the next of kin. When Meredith finds out that Owen taught them to, in a detached manner, use "the three Ls," she's irate. Clearly drawing on personal experience, Meredith gives a passionate speech to the new doctors. She wants them to understand the gravity, and the responsibility that comes with delivering that kind of news. They are changing a person's life forever, and that person will never forget them, or that moment.

Meredith Teaches the Interns Compassion|The interns learn the right way to deliver bad news.|When Meredith finds out that Owen is having the interns learn to give bad news to patients' families using "the three Ls," she's furious. She takes over, and gives them a heartfelt speech about the right way to do it, clearly drawing on her own experience as a wife who had to hear the life-changing news that her husband was dead. Watch this scene from Season 12, Episode 4, "Old Time Rock and Roll," and don't miss Grey's Anatomy THURSDAYS 8|7c on ABC.

Callie's New Girlfriend, with a Twist

No one saw this coming. When Meredith opens the door to welcome Callie and her new girlfriend to the Grey-Shepherd-Pierce dinner party, time stops. Callie, blissfully unaware that both Meredith and her girlfriend look like they've seen a ghost, introduces Penny. Meredith is too busy reliving the worst night of her life to form words. She knows Penny. She'll never forget Penny. Because Penny is one of the doctors who changed her life forever...

Meredith's Unwelcome Blast from the Past|Callie's new girlfriend is someone Meredith never wanted to see again.|Meredith is shocked when she opens her front door and Callie is standing there with one of the doctors responsible for Derek's death. As Callie, completely unaware, introduces Penny as her new girlfriend, Meredith is reliving the devastating night her life was changed forever. Watch this scene from Season 12, Episode 4, "Old Time Rock and Roll," and don't miss Grey's Anatomy THURSDAYS 8|7c on ABC.